Start with the room, not the equipment
Before any microphone is chosen, spend an hour listening to the space. Clap once, speak from different corners and notice where the sound rings, where it goes dull and where a hum from lighting or ventilation sits underneath everything. A room that is noisy or boxy will shape every recording, and no desk setting repairs it later.
In these autumn weeks, with heating systems switching on for the first time since spring, this check is worth repeating. Fans, radiators and dimmer packs often introduce noise that was absent in summer, and it is far easier to find the cause at the planning stage than halfway through a session.
Write down what you find. A short list of noise sources, hard surfaces and the position of the main speaking or performing area gives you a plan to work from. It also tells you whether you need absorbent panels, a quieter air supply or simply a different spot for the desk.
- Clap and speak from several positions to hear reflections
- Note every fan, heater and dimmer you can hear
- Mark hard, parallel surfaces on a floor plan
Choose microphones for the job in front of you
Most small studios and venues are served by two kinds of microphone. Dynamic models cope well with loud sources and untreated rooms, because they pick up less of the surrounding space. Condenser models capture more detail and suit speech and acoustic instruments, but they also reveal every flaw in the room.
Match the choice to the source. For a presenter in a lively room, a dynamic or a well-positioned small condenser close to the mouth usually gives a cleaner result than a sensitive one placed further away. For a quiet, treated booth, a condenser earns its place.
Keep the number of microphones modest. Every additional open channel adds noise and phase problems, so begin with the fewest that cover the production and add only when you can say what each new one is for.
- Dynamic: forgiving, good for loud sources and rough rooms
- Condenser: detailed, needs a quiet and treated space
- Closer placement reduces room sound in either type
Set gain before you touch the faders
Gain staging is the habit that separates a clean mix from a fragile one. Set each input's gain while the person speaks or plays at their normal working level, aiming for a healthy signal that peaks comfortably below the point of distortion. Do this with the channel fader down and any equalisation flat.
Ask the performer to give you the loudest moment they expect, not just a polite test. A presenter who sounds calm during line check may laugh or project twenty minutes in, and a channel set too hot will clip at exactly that moment.
Once gain is set, leave it alone. Use faders for balance during the show and treat the gain control as a setup tool. Changing it mid-programme alters every setting downstream, and it is a common cause of confusion between operators.
- Set gain at the loudest level the person will realistically reach
- Keep the fader down and equalisation flat while doing it
- Avoid touching gain once the session is running
Build a monitoring chain you can trust
You can only mix what you can hear accurately, so monitoring deserves as much thought as microphones. In a studio, use speakers that are neutral rather than flattering, placed so that you and both speakers form an even triangle, with the tweeters at ear height and some distance from the wall behind.
Headphones are a useful second opinion, not a replacement. Check the mix on both, and listen to a familiar piece of material you know well on the same chain. If something you know sounds wrong, the fault lies in the room or the setup, not in the music.
For live venues, wedge or in-ear monitors need their own mix, kept separate from the front-of-house balance. Performers who cannot hear themselves push their volume up, and the whole room follows, so agree each person's needs before the doors open.
- Form an equal triangle between listener and both speakers
- Test with familiar material you know well
- Give performers their own monitor mix in live settings
Check the signal path from end to end
Once the pieces are in place, follow a signal from the microphone to its destination and listen at each stage. Plug in, speak, then confirm the sound at the desk, in the monitors, in any recorder and in the feed that leaves the room. A problem is much easier to locate when you have heard the signal pass each point.
Label cables and channels as you go. Clear tape and a marker cost almost nothing, and they save the minutes that otherwise vanish when a colleague takes over or a connection is knocked loose during a busy production.
Keep a spare of the items most likely to fail: a microphone cable, a battery set and a direct-injection box. A short written run sheet that lists each input, its source and its destination also helps any new operator pick up the work calmly.
- Listen at the desk, monitors, recorder and outgoing feed
- Label every cable and channel
- Carry spare cables and batteries
Rehearse the awkward moments
Run through what usually goes wrong: a guest who arrives late, a radio microphone that drops out, a sudden loud laugh. Practise the response once, quietly, before the show. Knowing which fader to pull and which spare to reach for turns a stressful gap into a minor pause.
Record a short test and play it back on different speakers, including a small one similar to what viewers may use. A mix that holds up on a laptop or phone is usually sound on better equipment as well.
Finally, make a note of what you changed and why. A few lines kept with the run sheet become the starting point for the next session, and over time they build into a reliable house routine.
A dependable audio setup rarely needs much equipment. It needs a room you have listened to, microphones matched to the source, gain set with care, monitoring you trust and a signal path you have checked from end to end. Work through these steps in order, keep brief notes, and the next session will start from a better position than the last one did.